CN203382380U - Electric grab bucket - Google Patents
Electric grab bucket Download PDFInfo
- Publication number
- CN203382380U CN203382380U CN201320465272.XU CN201320465272U CN203382380U CN 203382380 U CN203382380 U CN 203382380U CN 201320465272 U CN201320465272 U CN 201320465272U CN 203382380 U CN203382380 U CN 203382380U
- Authority
- CN
- China
- Prior art keywords
- fixed
- roll device
- entablatrance
- retarder
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model discloses an electric grab bucket. The electric grab bucket comprises a grab bucket opening and closing control device and an upper cross beam, wherein the grab bucket opening and closing control device comprises a motor, a rolling device, a steel wire rope, a speed reducer used for controlling the rolling device to rotate, a closing limit switch, a closing switch trigger and an opening limit switch, wherein the speed reducer is fixed on the upper cross beam; the rolling device is fixed under the upper cross beam; one end of the rolling device is connected with the low-speed end of the speed reducer, and the motor is arranged on a high-speed shaft at the other end of the speed reducer; the opening limit switch is fixed at the other end of the rolling device; the closing switch and the closing switch trigger are arranged at the top end of the upper cross beam; one end of the closing switch trigger is fixed with one end of the steel wire rope, and the other end of the closing switch trigger is connected with the closing switch. The electric grab bucket can be used for preventing the steel wire rope from being twisted or broken, and has the advantages of safe and reliable equipment work, good economical effect, compact structure, low noise and smooth work.
Description
Technical field
The utility model relates to a kind of grab bucket, particularly relates to a kind of motor grab.
Background technology
At present motor grab bucket is to using electric block to complete as power and transmission device the action that opens and closes bucket, and then completes crawl and the unloading to material.Grab bucket is the important haulage equipment of large and small harbour carrying bulk freight, and the grab bucket at existing harbour is arranged on crane, hoisting crane or door machine mostly, and the motor grab bucket also is widely used in food, medicine, chemical industry, brewage the industry such as wine brewing.
Yet the limit switch limit accuracy of electric block is lower, cause limit switch work unreliable, can not effectively control the stroke of grabbing bucket while opening and closing, when the switching that easily occurs to grab bucket puts in place, reel is also in coiling work.When grab bucket is opened fully, limit switch could not make its electric block quit work, and easily makes cross sill tilt, cause occurring the phenomenon of disorder cable, again because of the reel of electric block by shell seal, the wirerope-winding situation is observed in inconvenience, once disorder cable, repair very difficult.When grab bucket is fully closed, limit switch could not make its electric block quit work, and the at this moment stressed increasing of steel rope easily causes electric hoist conductor rope device to damage, when the suffered power of steel rope surpasses the maximum, force that steel rope can bear, disconnected rope phenomenon just appears.If electric hoist conductor rope device damages, its limit switch can not effectively be worked and even be lost efficacy, and its current most users are taken out of service electric hoist conductor rope device, and the switching of grab bucket is observed control by the operator fully, is not easy to grasp.And the lifting velocity of electric block only has one, the time that grab bucket opens and closes also only has one, makes the grab bucket opening and closing speed limit to some extent.The electric block work noise is larger simultaneously, and near personnel's health electric block is had to certain injury.
The utility model content
The technical problems to be solved in the utility model is to provide a kind of compact conformation, is convenient to maintenance and debugging, safe and reliable, noise is low, stable working, can stop in time and can prevent the motor grab of disorder cable and disconnected rope.
For addressing the above problem, the utility model provides a kind of motor grab, described motor grab comprises that grab bucket opens and closes and closes control setup and entablatrance, described grab bucket switching is closed control setup and is comprised electrical motor, roll device, steel rope, for controlling the retarder of roll device rotation, closed limit switch, close switch binary pair and opening limiting switch, described retarder is fixed on entablatrance, described roll device is fixed on the below of described entablatrance, and an end of described roll device is connected with the low speed end of described retarder, described electrical motor is arranged on the other end high speed shaft of described retarder, described opening limiting switch is fixed on the other end of described roll device, described close switch and described close switch binary pair all are arranged on described entablatrance top, one end of described close switch binary pair and an end of described steel rope are fixed, the other end of described close switch binary pair is connected with described close switch.
Further, described roll device comprises reel, bearing and for roll device being fixed on to four connecting straps on entablatrance, described reel is fixed on bearing, described bearing is fixed on described connecting strap, one end of described reel is connected with described retarder, and the other end of described reel is connected with described opening limiting switch.
Further, described retarder comprises pedestal and body, and described body is fixed by screws on described pedestal, and described pedestal is fixed by screws in the top of described entablatrance, one end of described body is connected with the rotating shaft of electrical motor, and the other end of described body is connected with described roll device.
Further, described retarder is vertical speed reducer.
Further, described binary pair comprises portable bar, spring and pressing plate, described portable bar passes spring and is located on described entablatrance, one end of described portable bar and an end of described steel rope are fixed, the other end of described portable bar and described pressing plate are fixed, and described pressing plate is directly over described closed limit switch.
The utility model motor grab is equipped with closed and opening limiting switch, and the energy actv. makes to grab bucket and stops in time, thereby has prevented that disorder cable and disconnected phenomenon of restricting from appearring in steel rope; Described motor grab drives and adopts electrical motor, the low and stable working of its noise.
The accompanying drawing explanation
Fig. 1 is the structural representation of the utility model motor grab better embodiment.
Fig. 2 is that the grab bucket be arranged in Fig. 1 on entablatrance opens and closes the structural representation that closes control setup.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, the better embodiment of the utility model motor grab comprises that grab bucket opens and closes and closes control setup 2, bucket body 1, support 3, entablatrance 4 and cross sill 5.Described grab bucket opens and closes closes control setup 2 and is fixed on described entablatrance 4, and is connected with described cross sill 5, and described bucket 1 body is movably fixed on described cross sill 5 lower end with described support 3, and the movable upper end of described support 3 is fixed on described entablatrance 4.Described support 3, bucket body 1, lower and upper cross-member 4 and 5 close control setup 2 identically with annexation existing grab bucket with described switching, do not repeat them here.
Please refer to Fig. 2, described grab bucket switching is closed control setup 2 and is comprised electrical motor 21, roll device 22, steel rope 26, the retarder 23 for controlling roll device 22 rotating speeds, closed limit switch 25, close switch binary pair 27 and opening limiting switch 24.Described retarder 23 is fixed on entablatrance 4, described roll device 22 is fixed on the below of described entablatrance 4, and an end of described roll device 22 is connected with the low speed end of described retarder 23, described electrical motor 21 is fixed on the other end high speed shaft of described retarder 23, and described opening limiting switch 24 is fixed on the other end of described roll device 22.Described close switch 25 and described close switch binary pair 27 all are arranged on described entablatrance 4 tops, one end of described close switch binary pair 27 and an end of described steel rope 26 are fixed, and the other end of described close switch binary pair 27 is connected with described close switch 25; Particularly, shown in Fig. 1, an end of described steel rope 26 is through one of them pulley on cross sill 5, secondly through the fixed pulley after roll device 22 (figure does not show), through the another one pulley on described cross sill 4, finally be fixed on described close switch binary pair 27 again.
Please continue to refer to Fig. 2, described roll device 22 comprises reel 221, bearing 223 and for roll device 22 being fixed on to four connecting straps 224 on entablatrance 4, described reel 221 is fixed on bearing 223, described bearing 223 is fixed on described connecting strap 224, one end of described reel 221 is connected with described retarder 23, and another section of described reel 22 is connected with described opening limiting switch 24.
Described retarder 23 comprises pedestal 231 and body 232, described body 232 is fixed by screws on described pedestal 231, described pedestal 231 is fixed by screws in the top of described entablatrance 1, one end of described body 232 is connected with the rotating shaft of electrical motor 21, and another section of described body 232 is connected with described roll device 22.
Described binary pair 27 comprises portable bar 271, spring 273 and pressing plate 272, described portable bar 271 passes spring 273 and is located on described entablatrance 4, one end of described portable bar 271 and an end of described steel rope 26 are fixed, the other end of described portable bar 271 and described pressing plate 272 are fixing, and described pressing plate 273 is directly over described closed limit switch 25.
Described electrical motor 21 drives roll device 22 rotations by retarder 23, and the steel rope 26 in roll device 22 is connected with the cross sill 5 of described motor grab, and roll device 22 like this can drive cross sill 5 and move up and down.When cross sill 5 moves up, bucket body 1 closure of motor grab; When cross sill 5 moves up, the bucket body 1 of motor grab opens.When the bucket body 1 of motor grab is closed, steel rope 26 pulls portable bar 271, its portable bar 271 band dynamic pressure plates 273 are moved downward, when described bucket body 271 is fully closed, described pressing plate 273 just touches closed limit switch 25, closed limit switch 25 stops operating its electrical motor 21, and steel rope 26 can not be stretched, and not there will be the situation of disconnected rope; When the bucket body 1 of motor grab opens fully, touch opening limiting switch 24 its electrical motor 21 is rotated, steel rope 26 can not transferred continuing, and not there will be the situation of disorder cable.The speed ratio of described retarder 23 has multiple, can select as required speed ratio to determine retarder 23, makes the operating speed of motor grab that difference be arranged.
Actuating device 2(Fig. 2 is closed in the switching of the utility model motor grab) compact conformation, adopt electrical motor 21 low as propulsion source stable working, noise.Limit switch reliable operation, effective, can make grab bucket open and close while putting in place stops in time, when while having solved former electric block driving, the grab bucket switching puts in place, reel is also in coiling work, cause steel rope disorder cable or disconnected rope, reduced equipment service expenditure, improved hoisting crane effective storage life, make that equipment can move safely and reliably, economic effects is obvious.
These are only embodiment of the present utility model; not thereby limit the scope of the claims of the present invention; every equivalent structure that utilizes the utility model specification sheets and accompanying drawing content to do; directly or indirectly be used in other relevant technical fields, all in like manner within scope of patent protection of the present utility model.
Claims (5)
1. a motor grab, comprising that grab bucket opens and closes closes control setup and entablatrance, it is characterized in that: described grab bucket switching is closed control setup and is comprised electrical motor, roll device, steel rope, for controlling the retarder of roll device rotation, closed limit switch, close switch binary pair and opening limiting switch, described retarder is fixed on entablatrance, described roll device is fixed on the below of described entablatrance, and an end of described roll device is connected with the low speed end of described retarder, described electrical motor is arranged on the other end high speed shaft of described retarder, described opening limiting switch is fixed on the other end of described roll device, described close switch and described close switch binary pair all are arranged on described entablatrance top, one end of described close switch binary pair and an end of described steel rope are fixed, the other end of described close switch binary pair is connected with described close switch.
2. motor grab according to claim 1, it is characterized in that: described roll device comprises reel, bearing and for roll device being fixed on to four connecting straps on entablatrance, described reel is fixed on bearing, described bearing is fixed on described connecting strap, one end of described reel is connected with described retarder, and the other end of described reel is connected with described opening limiting switch.
3. motor grab according to claim 1, it is characterized in that: described retarder comprises pedestal and body, described body is fixed by screws on described pedestal, described pedestal is fixed by screws in the top of described entablatrance, one end of described body is connected with the rotating shaft of electrical motor, and the other end of described body is connected with described roll device.
4. motor grab according to claim 1, it is characterized in that: described retarder is vertical speed reducer.
5. motor grab according to claim 1, it is characterized in that: described binary pair comprises portable bar, spring and pressing plate, described portable bar passes spring and is located on described entablatrance, one end of described portable bar and an end of described steel rope are fixed, the other end of described portable bar and described pressing plate are fixed, and described pressing plate is directly over described closed limit switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320465272.XU CN203382380U (en) | 2013-08-01 | 2013-08-01 | Electric grab bucket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320465272.XU CN203382380U (en) | 2013-08-01 | 2013-08-01 | Electric grab bucket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203382380U true CN203382380U (en) | 2014-01-08 |
Family
ID=49870892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320465272.XU Expired - Fee Related CN203382380U (en) | 2013-08-01 | 2013-08-01 | Electric grab bucket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203382380U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105711599A (en) * | 2016-01-20 | 2016-06-29 | 山东科技大学 | Traction steel wire rope protection device for aerial buses |
-
2013
- 2013-08-01 CN CN201320465272.XU patent/CN203382380U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105711599A (en) * | 2016-01-20 | 2016-06-29 | 山东科技大学 | Traction steel wire rope protection device for aerial buses |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206569968U (en) | A kind of construction material is carried and uses safety-type hoistable platform | |
| CN208378251U (en) | A kind of automated machine equipment boom hoisting | |
| CN205772414U (en) | A kind of efficient cable rewinding machine | |
| CN207375612U (en) | A kind of small-sized door type loop wheel machine for automatically controlling lifting | |
| CN203382380U (en) | Electric grab bucket | |
| CN204847918U (en) | Wire rope plastic guider | |
| CN204057797U (en) | cable cover hoisting device | |
| CN206624583U (en) | Electric block provided with height limiting device | |
| CN207121368U (en) | A kind of anti-disorder cable device of flagpole | |
| CN110775830B (en) | Bridge type variable speed hoisting equipment | |
| CN202054560U (en) | Steel wire rope guider for motor-driven grinding machine roller | |
| CN209177904U (en) | A kind of redundancy structure steel-wire rope type electric block | |
| CN208200230U (en) | A kind of anti-turn lifting electric block | |
| CN201326889Y (en) | Safety lever for punching machine | |
| CN201678366U (en) | Grab bucket electric hoist | |
| CN202116627U (en) | Furnace cover opening and closing device for anode furnace | |
| CN207108337U (en) | A kind of error detection hoist engine | |
| CN206071357U (en) | A kind of type of push and pull up down door for ageing oven | |
| CN206014294U (en) | Landing power-off and the double speed crane of overload freight weight limit | |
| CN202869259U (en) | Furnace door falling prevention device | |
| CN204917732U (en) | Hoist safety arrangement | |
| CN220642432U (en) | Elevator with protection function | |
| CN211004304U (en) | Electric hydraulic winching machine | |
| CN204138077U (en) | A kind of elevator governor | |
| CN203359744U (en) | Electric cage curtain door |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140108 Termination date: 20150801 |
|
| EXPY | Termination of patent right or utility model |